Support for select labels within dropdown

Ok one unsupported way to do this for anyone else interested:

1) Add a variation for "Select an Item", and make it the default. This will add it to the dropdown as item #1, however you can submit it as a product now.

2) To prevent it from being submitted, add a print_r($data) inside the ec_live_subproducts_subproduct_set() function around line 1045. Submit an item to the cart, and you'll be able to see the array index you need to exclude the item.

3) Then add this validation, around line 1048:

function ec_live_subproducts_subproduct_set(&$node, &$data, $show_erros = NULL) {
  if (empty($data)) {
    return FALSE;
  }
+  if ($data[1] == 257) {  //set the array index and number to match whatever your variation is
+    if (empty($show_erros)) {
+      drupal_set_message(t("Please first select an item from the dropdown menu"), "error");
+    }
+    return FALSE;
+  }

Obviously will all break if you change the weight of variants, or update the module. Works for today though.